.wrap {
    position: relative;
    background-color: #FBD570;
    margin-left: 100px;
    margin-right: 150px;
    height: 250px;
}

.left {
    position: absolute;
    top: 0;
    left: -100px;
    width: 100px;
    background: #00f;
    height: 180px;
}

.right {
    position: absolute;
    top: 0;
    right: 0;
    width: 150px;
    background: #0f0;
    height: 200px;
    margin-right: -150px;
}

.center {
    position: absolute;
    top: 0;
    left: 0;
    background: #B373DA;
    height: 150px;
    min-width: 150px;
    width: 100%;
}

.container {
    height: 100%;
    padding: 20px;
    box-sizing: border-box;
}

.logo_scale {
    width: 75%;
    /*缩小50%*/
    height: auto;
    /*保持图片比例不变*/
}